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Periodic Table Element Comparison: Compare Elements - Platinum vs Rhodium

Compare Platinum and Rhodium

Compare Platinum and Rhodium on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Platinum vs Rhodium with most reliable information about their properties, attributes, facts, uses etc. You can compare Pt vs Rh on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Platinum
78
Pt
195.078
Solid
Gray
transition metal
10
nickel family 
6
d
[Xe] 4f14 5d9 6s1
1768.3 °C
3825 °C
2, 8, 18, 32, 17, 1
CAS7440-06-4
Neighborhood Elements of Platinum
Rhodium
45
Rh
102.9055
Solid
Silver
transition metal
9
cobalt family 
5
d
[Kr] 4d8 5s1
1964 °C
3695 °C
2, 8, 18, 16, 1
CAS7440-16-6
Neighborhood Elements of Rhodium

History

History
The element Platinum was discovered by Antonio de Ulloa in year 1735 in Peru. Platinum derived its name from from the Spanish platina, meaning 'little silver'
The element Rhodium was discovered by William Hyde Wollaston in year 1803 in United Kingdom. Rhodium derived its name derived its name from from the Greek rhodos, meaning 'rose coloured'

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
5×10-7%
9×10-7%
9.8e-07
3.7×10-6%
N/A
N/A
6×10-8%
2×10-7%
1.8e-07
7×10-8%
N/A
N/A

Crystal Structure and Atomic Structure

177 pm
9.249786628734 cm3
128 pm
175 pm
10
platinum Spectrum
392.42, 392.42, 392.42 pm
π/2, π/2, π/2
Fm_ 3m
225

Face Centered Cubic

platinum Crystal Structure
173 pm
8.2655020080321 cm3
135 pm
N/A
145
rhodium Spectrum
380.34, 380.34, 380.34 pm
π/2, π/2, π/2
Fm_ 3m
225

Face Centered Cubic

rhodium Crystal Structure

Atomic and Orbital Properties

Atomic Number
Number of Electrons (with no charge)
Number of Protons
Mass Number
Number of Neutrons
Shell structure (Electrons per energy level)
Electron Configuration
Valence Electrons
Oxidation State
Atomic Term Symbol (Quantum Numbers)
Shell structure
78
78
78
195.078
117.078
2, 8, 18, 32, 17, 1
[Xe] 4f14 5d9 6s1
5d9 6s1
-3;-2;-1  1;2;3;4;5;6
3D3
platinum Shells
45
45
45
102.9055
57.9055
2, 8, 18, 16, 1
[Kr] 4d8 5s1
4d8 5s1
-3;-1  1;2;3;4;5;6
4F9/2
rhodium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
192Pt, 194Pt, 195Pt, 196Pt, 198Pt.
Naturally occurring stable isotopes:
103Rh.

Chemical Properties: Ionization Energies and electron affinity

6
2.28
205.3 kJ/mol
870, 1791 kJ/mol
6
2.28
109.7 kJ/mol
719.7, 1740, 2997 kJ/mol

Physical Properties

21.09 g/cm3
9.249786628734

 

168 GPa
61 GPa
230 GPa
0.38


 

3.5 MPa
549 MPa
392 MPa

 

9.4×106 S/m
1.1×10-7 m Ω
N/A

 

72 W/(m K)
8.8×10-6 K-1

 

Paramagnetic
N/A
1.22×10-8
2.38×10-9
0.0002573

 

N/A

 

2680 m/s
12.45 g/cm3
8.2655020080321

 

275 GPa
150 GPa
380 GPa
0.26


 

6 MPa
1246 MPa
1.1×103 MPa

 

2.3×107 S/m
4.3×10-8 m Ω
N/A

 

150 W/(m K)
8.2×10-6 K-1

 

Paramagnetic
N/A
1.36×10-8
1.4×10-9
0.0001693

 

N/A

 

4.7×103 m/s

Thermal Properties - Enthalpies and thermodynamics

1768.3 °C
3825 °C
N/A
N/A

 

20 kJ/mol
490 kJ/mol
N/A
1964 °C
3695 °C
N/A
N/A

 

21.7 kJ/mol
495 kJ/mol
N/A

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-06-4
RTECSTP2160000
4.1
3089
N/A
2
N/A
1
0

 

N/A
N/A
CAS7440-16-6
RTECSVI9069000
4.1
3089
N/A
N/A
N/A
N/A
N/A

 

N/A
N/A

Compare With Other Elements

Elements of the Same Group
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